Constantine I AE follis of Lyons. AD 307-337. 5.47 g.

IMP C CONSTANTINVS PF AVG, laureate, draped and cuirassed bust right.
MARTI PATRI PROPVGNATORI, Mars striding right, naked but for helmet and chlamys, holding transverse spear, shield on left arm.

CI-H over S across fields.
Mintmark PLG.

RIC VI Lyons 295; Bastien 514.

With permission of Numismatik Lanz auction 114, lot 785, May 2003.